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Merge pull request #402 from mouse-reeve/alt-text

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Federate cover alt text
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Mouse Reeve 2020-12-17 13:22:09 -08:00 • committed by GitHub
commit d109ac0626
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11 changed files with 78 additions and 57 deletions
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22
bookwyrm/models/fields.py
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@ -305,18 +305,22 @@ class TagField(ManyToManyField):
return items
def image_serializer(value):
def image_serializer(value, alt):
''' helper for serializing images '''
if value and hasattr(value, 'url'):
url = value.url
else:
return None
url = 'https://%s%s' % (DOMAIN, url)
return activitypub.Image(url=url)
return activitypub.Image(url=url, name=alt)
class ImageField(ActivitypubFieldMixin, models.ImageField):
''' activitypub-aware image field '''
def __init__(self, *args, alt_field=None, **kwargs):
self.alt_field = alt_field
super().__init__(*args, **kwargs)
# pylint: disable=arguments-differ
def set_field_from_activity(self, instance, data, save=True):
''' helper function for assinging a value to the field '''
@ -326,9 +330,19 @@ class ImageField(ActivitypubFieldMixin, models.ImageField):
return
getattr(instance, self.name).save(*formatted, save=save)
def set_activity_from_field(self, activity, instance):
value = getattr(instance, self.name)
if value is None:
return
alt_text = getattr(instance, self.alt_field)
formatted = self.field_to_activity(value, alt_text)
def field_to_activity(self, value):
return image_serializer(value)
key = self.get_activitypub_field()
activity[key] = formatted
def field_to_activity(self, value, alt=None):
return image_serializer(value, alt)
def field_from_activity(self, value):